TESLA Fault

BMS_f144

BMS_f144_SW_CPLD_Version_Wrong

System
BMS
Battery Management System
Type
Fault
Category
Battery
Severity
Fault (Critical)

What does BMS_f144 mean?

Tesla fault code in the Battery Management System (BMS) module. The Battery Management System (BMS) has detected that the Complex Programmable Logic Device (CPLD) is not the appropriate version for the firmware currently installed on the vehicle.

Original Description

The Battery Management System (BMS) has detected that the Complex Programmable Logic Device (CPLD) is not the appropriate version for the firmware currently installed on the vehicle.

Severity Notes

BMS_f144 is classified as a Fault, indicating a critical issue in the Battery Management System system. Do not continue driving and contact Tesla Service immediately.

Other BMS Codes

View all BMS codes →

Tesla alert codes sourced from the community-maintained Tesla Alerts Dictionary. This information is for educational purposes only. Always consult Tesla Service for official diagnosis and repairs.